Mets Midseason Top 20 prospects for 2021Francisco Alvarez leads the way8/2/2021, 7:00 PMJoe DeMayoMLB Prospects Freelance WriterFrancisco Alvarez, Ronny Mauricio, Brett Baty, Mark Vientos / SNY Treated ImageMets pitching prospect Matt Allan / SNY screengrabJul 28, 2021; New York City, New York, USA; New York Mets starting pitcher Tylor Megill (38) pitches against the Atlanta Braves during the second inning at Citi Field. / Brad Penner-USA TODAY SportsJun 30, 2021; Atlanta, Georgia, USA; New York Mets relief pitcher Thomas Szapucki (63) shows emotion after giving up a home run to Atlanta Braves second baseman Ozzie Albies (not pictured) in the fifth inning at Truist Park. / Brett Davis-USA TODAY Sports